diff --git a/docker/Dockerfile.agent.alpine.multiarch b/docker/Dockerfile.agent.alpine.multiarch
index 86d35117978..5de3db18c77 100644
--- a/docker/Dockerfile.agent.alpine.multiarch
+++ b/docker/Dockerfile.agent.alpine.multiarch
@@ -7,7 +7,7 @@ RUN --mount=type=cache,target=/root/.cache/go-build \
     --mount=type=cache,target=/go/pkg \
     make build-agent
 
-FROM docker.io/alpine:3.19
+FROM docker.io/alpine:3.20
 # renovate: datasource=repology depName=alpine_3_18/ca-certificates versioning=loose
 ENV CA_CERTIFICATES_VERSION="20240226-r0"
 RUN apk add -U --no-cache ca-certificates=${CA_CERTIFICATES_VERSION}
diff --git a/docker/Dockerfile.cli.alpine.multiarch b/docker/Dockerfile.cli.alpine.multiarch
index f7acfda1c5c..09537396dc3 100644
--- a/docker/Dockerfile.cli.alpine.multiarch
+++ b/docker/Dockerfile.cli.alpine.multiarch
@@ -7,7 +7,7 @@ RUN --mount=type=cache,target=/root/.cache/go-build \
     --mount=type=cache,target=/go/pkg \
     make build-cli
 
-FROM docker.io/alpine:3.19
+FROM docker.io/alpine:3.20
 # renovate: datasource=repology depName=alpine_3_18/ca-certificates versioning=loose
 ENV CA_CERTIFICATES_VERSION="20240226-r0"
 RUN apk add -U --no-cache ca-certificates=${CA_CERTIFICATES_VERSION}
diff --git a/docker/Dockerfile.server.alpine.multiarch b/docker/Dockerfile.server.alpine.multiarch
index e066096d861..002cbcb6903 100644
--- a/docker/Dockerfile.server.alpine.multiarch
+++ b/docker/Dockerfile.server.alpine.multiarch
@@ -1,4 +1,4 @@
-FROM docker.io/alpine:3.19
+FROM docker.io/alpine:3.20
 
 # renovate: datasource=repology depName=alpine_3_18/ca-certificates versioning=loose
 ENV CA_CERTIFICATES_VERSION="20240226-r0"